"Thu, 18 Jul 2024 20:03:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
20:03:03
General datetime
2024-07-18 20:03:03Z
For Database
2024-07-18 20:03:03
For HTTP1.1
Thu, 18 Jul 2024 20:03:03 GMT